../ dmsp_15_ephemeris_20151122.txt 22-Jun-2023 16:17 109502 dmsp_16_ephemeris_20151122.txt 22-Jun-2023 16:17 109408 dmsp_17_ephemeris_20151122.txt 22-Jun-2023 16:17 109316 dmsp_18_ephemeris_20151122.txt 22-Jun-2023 16:17 109334 dmsp_19_ephemeris_20151122.txt 22-Jun-2023 16:17 109225